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fc93158 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | import { describe, expect, it } from "vitest";
import { extractFirstTextBlock } from "./chat-message-content.js";
describe("shared/chat-message-content", () => {
it("extracts the first text block from array content", () => {
expect(
extractFirstTextBlock({
content: [{ text: "hello" }, { text: "world" }],
}),
).toBe("hello");
});
it("preserves empty-string text in the first block", () => {
expect(
extractFirstTextBlock({
content: [{ text: "" }, { text: "later" }],
}),
).toBe("");
});
it("only considers the first content block even if later blocks have text", () => {
expect(
extractFirstTextBlock({
content: [null, { text: "later" }],
}),
).toBeUndefined();
expect(
extractFirstTextBlock({
content: [{ type: "image" }, { text: "later" }],
}),
).toBeUndefined();
});
it("returns undefined for missing, empty, or non-text content", () => {
expect(extractFirstTextBlock(null)).toBeUndefined();
expect(extractFirstTextBlock({ content: [] })).toBeUndefined();
expect(extractFirstTextBlock({ content: [{ type: "image" }] })).toBeUndefined();
expect(extractFirstTextBlock({ content: ["hello"] })).toBeUndefined();
expect(extractFirstTextBlock({ content: [{ text: 1 }, { text: "later" }] })).toBeUndefined();
});
});
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